Specifications: It works perfectly for optimum performance and maximum safety. High quality made, durable and easy to install. Suitable for mountain bike, road bike, etc.. Name : M4000 Shift Lever (With Logo) Speed : Left 3 Speed / Right 9 Speed Mounting diameter :22.2mm Weight : 3 Speed ± 145g / 9 speed ± 150g For Mountain Bike Folding Bike Trekking Bicycle Place of origin Indonesia Package Option: 1 Pair M4000 3*9S M4000 Left-3 Speed M4000 Right-9 Speed RD-M4000 1 Pair M370-3×9 Speed M370 Left-3 speed M370 Right-9 speed RD-M370+Right9 RD-M370 Ltwoo A5 9S